though not sci-fi, but check out hiyao miyazaki's anime, really well done and he has this way of never portraying characters as bad, everyone is good, very cons

though not sci-fi, but check out hiyao miyazaki's anime, really well done and he has this way of never portraying characters as bad, everyone is good, very consistent across all his movies, princess mononoke, porco rosso, my neighbor totoro, etc